package net.jeeshop.web.action.kindeditor;

import net.jeeshop.core.front.SystemManager;
import net.jeeshop.core.util.ImageUtils;
import net.jeeshop.services.common.SystemSetting;
import net.jeeshop.web.util.RequestHolder;
import net.sf.json.JSONObject;
import org.apache.commons.lang.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpSession;
import java.io.File;
import java.text.SimpleDateFormat;
import java.util.*;

/**
 * Created by dylan on 15-5-21.
 */
@Controller
@RequestMapping("editor")
public class KindController {
	private Logger logger = LoggerFactory.getLogger(getClass());

	@RequestMapping("upload")
	@ResponseBody
	public String uploadFile(@RequestParam(required = true, value = "imgFile") MultipartFile file,
			@RequestParam(required = false) String dir, HttpSession session) {
		SystemSetting systemSetting = SystemManager.getInstance().getSystemSetting();
		// 文件保存目录路径
		String savePath = SystemManager.getInstance().getProperty("file.upload.path");
		// 文件保存目录URL
		String saveUrl = systemSetting.getImageRootPath();

//定义允许上传的文件扩展名
		HashMap<String, String> extMap = new HashMap<String, String>();
		extMap.put("image", "gif,jpg,jpeg,png,bmp");
		extMap.put("flash", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb");
		extMap.put("media", "swf,flv,mp3,wav,wma,wmv,mid,avi,mpg,asf,rm,rmvb");
		extMap.put("file", "doc,docx,xls,xlsx,ppt,htm,html,txt,zip,rar,gz,bz2");

//最大文件大小
		//long maxSize = 1000000;

		session.setAttribute("ajax_upload", 1);
//检查目录
		File uploadDir = new File(savePath);
		if (!uploadDir.isDirectory()) {
			return (getError("上传目录不存在。"));
		}
//检查目录写权限
		if (!uploadDir.canWrite()) {
			return (getError("上传目录没有写权限。"));
		}

		String dirName = dir == null ? "image" : dir.trim().toLowerCase();
		if (!extMap.containsKey(dirName)) {
			return (getError("目录名不正确。"));
		}
//创建文件夹
		savePath += dirName + "/";
		saveUrl += dirName + "/";
		File saveDirFile = new File(savePath);
		if (!saveDirFile.exists()) {
			saveDirFile.mkdirs();
		}
		SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd");
		String ymd = sdf.format(new Date());
		savePath += ymd + "/";
		saveUrl += ymd + "/";
		File dirFile = new File(savePath);
		if (!dirFile.exists()) {
			dirFile.mkdirs();
		}

		String fileName = file.getOriginalFilename();
		// 检查扩展名
		String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();
		if (!Arrays.<String>asList(extMap.get(dirName).split(",")).contains(fileExt)) {
			return (getError("上传文件扩展名是不允许的扩展名。\n只允许" + extMap.get(dirName) + "格式。"));
		}

		String newFileName1 = null;// 小图
		String newFileName2 = null;// 中图
		String newFileName3 = null;// 大图 ，也是原图
		String newFileName0 = String.valueOf(System.currentTimeMillis());
		logger.debug("newFileName0=" + newFileName0);
		newFileName1 = newFileName0 + "_1";
		newFileName2 = newFileName0 + "_2";
		newFileName3 = newFileName0 + "_3." + fileExt;
		logger.debug(
				"newFileName1=" + newFileName1 + ",newFileName2=" + newFileName2 + ",newFileName3=" + newFileName3);

		File uploadedFile3 = new File(savePath, newFileName3);
		try {
			file.transferTo(uploadedFile3);
			File uploadedFile1 = new File(savePath, newFileName1 + "." + fileExt);
			File uploadedFile2 = new File(savePath, newFileName2 + "." + fileExt);

			ImageUtils.ratioZoom2(uploadedFile3, uploadedFile1,
					Double.valueOf(SystemManager.getInstance().getProperty("product_image_1_w")));
			ImageUtils.ratioZoom2(uploadedFile3, uploadedFile2,
					Double.valueOf(SystemManager.getInstance().getProperty("product_image_2_w")));
		} catch (Exception e) {
			logger.error("上传文件异常：" + e.getMessage());
			return (getError("上传文件失败。"));
		}

		JSONObject obj = new JSONObject();
		obj.put("error", 0);
		obj.put("url", saveUrl + newFileName3);
		return (obj.toString());
	}

	private String getError(String message) {
		JSONObject obj = new JSONObject();
		obj.put("error", 1);
		obj.put("message", message);
		return obj.toString();
	}

	@RequestMapping("fileManager")
	@ResponseBody
	public String fileManager(@RequestParam(value = "dir") String dirName, @RequestParam(required = false) String path,
			@RequestParam(required = false, defaultValue = "name") String order) {
		SystemSetting systemSetting = SystemManager.getInstance().getSystemSetting();
		String rootPath = SystemManager.getInstance().getProperty("file.upload.path");
		String rootUrl = systemSetting.getImageRootPath();
		// 图片扩展名
		String[] fileTypes = new String[] { "gif", "jpg", "jpeg", "png", "bmp" };

		if (StringUtils.isNotBlank(dirName)) {
			if (!Arrays.<String>asList(new String[] { "image", "flash", "media", "file" }).contains(dirName)) {
				return ("Invalid Directory name.");
			}
			rootPath += dirName + "/";
			rootUrl += dirName + "/";
			File saveDirFile = new File(rootPath);
			if (!saveDirFile.exists()) {
				saveDirFile.mkdirs();
			}
		}
		// 根据path参数，设置各路径和URL
		path = path != null ? path.trim() : "";
		String currentPath = rootPath + path;
		String currentUrl = rootUrl + path;
		String currentDirPath = path;
		String moveupDirPath = "";
		if (!"".equals(path)) {
			String str = currentDirPath.substring(0, currentDirPath.length() - 1);
			moveupDirPath = str.lastIndexOf("/") >= 0 ? str.substring(0, str.lastIndexOf("/") + 1) : "";
		}

		// 排序形式，name or size or type
		order = order != null ? order.trim().toLowerCase() : "name";

		// 不允许使用..移动到上一级目录
		if (path.indexOf("..") >= 0) {
			return ("Access is not allowed.");
		}
		// 最后一个字符不是/
		if (!"".equals(path) && !path.endsWith("/")) {
			path += "/";
		}
		// 目录不存在或不是目录
		File currentPathFile = new File(currentPath);
		if (!currentPathFile.isDirectory()) {
			return ("Directory does not exist.");
		}

		// 遍历目录取的文件信息
		List<Hashtable> fileList = new ArrayList<Hashtable>();
		Map<String, String> addFileMap = new HashMap<String, String>();
		logger.debug("currentPathFile.listFiles=" + currentPathFile);
		logger.debug("currentPathFile.listFiles=" + currentPathFile.listFiles());
		if (currentPathFile.listFiles() != null) {
			for (File file : currentPathFile.listFiles()) {
				Hashtable<String, Object> hash = new Hashtable<String, Object>();
				String fileName = file.getName();
				logger.debug("fileName=" + fileName);
				if (file.isDirectory()) {
					hash.put("is_dir", true);
					hash.put("has_file", (file.listFiles() != null));
					hash.put("filesize", 0L);
					hash.put("is_photo", false);
					hash.put("filetype", "");
				} else if (file.isFile()) {
					String fileExt = fileName.substring(fileName.lastIndexOf(".") + 1).toLowerCase();

					String _fileName = fileName.substring(0, fileName.lastIndexOf("."));
					// String fileNameA = _fileName.split("_")[1];
					// logger.debug("fileNameA="+fileNameA);

					/*
					 * if(fileNameA.equals("1") || fileNameA.equals("2")){
					 * //if(addFileMap.get(fileNameA)!=null){ continue; }
					 */
					// addFileMap.put(fileNameA, fileNameA);

					hash.put("is_dir", false);
					hash.put("has_file", false);
					hash.put("filesize", file.length());
					hash.put("is_photo", Arrays.<String>asList(fileTypes).contains(fileExt));
					hash.put("filetype", fileExt);
				}
				hash.put("filename", fileName);
				hash.put("datetime", new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").format(file.lastModified()));
				fileList.add(hash);
			}
		}

		if ("size".equals(order)) {
			Collections.sort(fileList, new SizeComparator());
		} else if ("type".equals(order)) {
			Collections.sort(fileList, new TypeComparator());
		} else {
			Collections.sort(fileList, new NameComparator());
		}
		JSONObject result = new JSONObject();
		result.put("moveup_dir_path", moveupDirPath);
		result.put("current_dir_path", currentDirPath);
		result.put("current_url", currentUrl);
		result.put("total_count", fileList.size());
		result.put("file_list", fileList);

		logger.debug("json=" + result.toString());
		return (result.toString());
	}

	public class NameComparator implements Comparator {
		public int compare(Object a, Object b) {
			Hashtable hashA = (Hashtable) a;
			Hashtable hashB = (Hashtable) b;
			if (((Boolean) hashA.get("is_dir")) && !((Boolean) hashB.get("is_dir"))) {
				return -1;
			} else if (!((Boolean) hashA.get("is_dir")) && ((Boolean) hashB.get("is_dir"))) {
				return 1;
			} else {
				return ((String) hashA.get("filename")).compareTo((String) hashB.get("filename"));
			}
		}
	}

	public class SizeComparator implements Comparator {
		public int compare(Object a, Object b) {
			Hashtable hashA = (Hashtable) a;
			Hashtable hashB = (Hashtable) b;
			if (((Boolean) hashA.get("is_dir")) && !((Boolean) hashB.get("is_dir"))) {
				return -1;
			} else if (!((Boolean) hashA.get("is_dir")) && ((Boolean) hashB.get("is_dir"))) {
				return 1;
			} else {
				if (((Long) hashA.get("filesize")) > ((Long) hashB.get("filesize"))) {
					return 1;
				} else if (((Long) hashA.get("filesize")) < ((Long) hashB.get("filesize"))) {
					return -1;
				} else {
					return 0;
				}
			}
		}
	}

	public class TypeComparator implements Comparator {
		public int compare(Object a, Object b) {
			Hashtable hashA = (Hashtable) a;
			Hashtable hashB = (Hashtable) b;
			if (((Boolean) hashA.get("is_dir")) && !((Boolean) hashB.get("is_dir"))) {
				return -1;
			} else if (!((Boolean) hashA.get("is_dir")) && ((Boolean) hashB.get("is_dir"))) {
				return 1;
			} else {
				return ((String) hashA.get("filetype")).compareTo((String) hashB.get("filetype"));
			}
		}
	}
}
